Mounts
2 mounts in Total War: Warhammer III, patch 9.0.4, with the effects the game lists for each. “All races” means any race can get it.
Total War: Warhammer III has 2 mounts. Patch 9.0.4, from the game's data tables.
2 of 2
Arachnarok Spider (Catchweb Spidershrine)
Common · All races
Goblin Great Shaman's skill
Cooldown: -10% to all spells
Winds of Magic cost: -25% for all spells
Dorghar
Common · Warriors of Chaos
Archaon the Everchosen's skill
Undivided Authority: +1 (Lord's army)
Source: ancillaries, ancillary_to_effects, ancillary_uniqueness_groupings and faction_set_items, patch 9.0.4, via the WH3-Dump export.